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Measurement of the Higgs boson mass in the CMS experiment at LHC using precise and innovative calibration based on artificial intelligence methods
CMS : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayThe precise measurement of the Higgs boson’s properties is a major challenge in particle physics and a fundamental test of the Standard Model. This thesis proposes to improve the measurement of its… -
Development of the Fast Gamma Radiation Detectors for the Time-of-Flight Positron Emission Tomography
GSE : Health and environment technologies, medical devicesParis-Saclay Physique et Ingénierie: électrons, photons et sciences du vivant (EOBE) SaclayInnovative functional imaging technologies are a key component of the “Medicine for the Future” program, one of the main strategic priorities of the CEA. We are seeking a highly motivated PhD… -
Precision tests of the Standard Model using the neutral current Drell–Yan process in Run 3 data with the ATLAS experiment at the CERN LHC
Atlas : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayThe standard model of particle physics has so far provided a fine description of experimental data, notably data from colliders such as the LHC at CERN. The electroweak sector is of particular… -
Measurement of vector boson scattering at high energy, with the ATLAS detector at the LHC
Atlas : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayThe scattering of vector bosons is a fundamental prediction of the Standard Model, closely linked to the Higgs mechanism. The study of this process at the TeV scale tests the unique role of the… -
Understanding the low-energy excess in the NUCLEUS cryogenic detectors: toward a presicion measurement of CEvNS at a nuclear reactor
GNSR : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayThis PhD topic is part of the NUCLEUS experiment, installed at the heart of the Chooz nuclear power plant in France, with an ambitious goal: detecting and measuring coherent elastic neutrino-nucleus… -
Search for Higgs boson pair production with the CMS experiment: from the full Run-3 analysis to the HL-LHC trigger strategies
CMS : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclaySince the discovery of the Higgs boson in 2012, the experimental program at the Large Hadron Collider (LHC) has entered an era of precision measurements, enabling increasingly stringent tests of… -
Top-quark physics as a benchmark for quantum computing
Atlas : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayTop-quark physics at the LHC offers two complementary test beds for quantum computing. The first is quantum information in top-quark pairs: since the top quark decays before hadronisation, a tt¯… -
Search for di-Higgs production in the multilepton channel with the ATLAS detector using 13.6 TeV data
Atlas : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayIn the Standard Model (SM), the Higgs field breaks the electroweak symmetry, thereby giving mass to the W and Z bosons. The self-coupling of the Higgs boson remains unmeasured, yet it is crucial for… -
Testing cosmological models with the Lyman-alpha forest from the DESI survey
GCOSMO : AstrophysicsParis-Saclay PHENIICS (PHENIICS) SaclayModern cosmology is currently facing major challenges. On the one hand, the standard cosmological model, known as LambdaCDM, relies on two components, dark energy and dark matter, whose effects are… -
The MINI-BINGO demonstrator: advancing the quest to unveil the neutrino nature
GNSR : Particle physicsParis-Saclay PHENIICS (PHENIICS) SaclayBINGO is an innovative neutrino physics project designed to lay the groundwork for a large-scale bolometric experiment dedicated to the search for neutrinoless double beta decay. The goal is to… -
Tidal disruption events in real time: from Rubin/LSST alerts to TeV gamma rays with H.E.S.S. and CTAO, and a bridge to LISA
GAP : AstroparticlesParis-Saclay PHENIICS (PHENIICS) SaclayWhen a star ventures too close to a supermassive black hole, it is torn apart by tidal forces in a tidal disruption event (TDE). These rare flares reveal otherwise dormant black holes and may launch… -
Search for axion dark matter with a radio-frequency magnetic converter
Antares : AstroparticlesParis-Saclay PHENIICS (PHENIICS) SaclayThe proposed doctoral project involves the commissioning and operation of an experimental search for axion dark matter. These hypothetical particles are motivated by a minimal extension of the…